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2012•European Journal of Organic ChemistryRequires access

Efficient Method for Varying the Anions in Quaternary Onium Halides

Jong Yeob Jeon, Jobi Kodiyan Varghese, Ji Hae Park, Suck‐Hyun Lee, Bun Yeoul Lee

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Abstract

Abstract Quaternary onium salts of halides can be efficiently converted into the corresponding quaternary onium salts of various anions [NO3–, BF4–, PF6–, CF3SO3–, CH3SO3–, ClO4–, p‐CH3C6H4SO3–, CF3CO2–, 2,4‐(NO2)2C6H3O–] by treating the onium halide with trimethyl phosphate under neat condition in the presence of an equivalent amount of conjugate acid of the desired anion.

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What this paper is about

Abstract Quaternary onium salts of halides can be efficiently converted into the corresponding quaternary onium salts of various anions [NO3–, BF4–, PF6–, CF3SO3–, CH3SO3–, ClO4–, p‐CH3C6H4SO3–, CF3CO2–, 2,4‐(NO2)2C6H3O–] by treating the onium halide with trimethyl phosphate under neat condition in the presence of an equivalent amount of conjugate acid of the desired anion.

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Available abstract

Abstract Quaternary onium salts of halides can be efficiently converted into the corresponding quaternary onium salts of various anions [NO3–, BF4–, PF6–, CF3SO3–, CH3SO3–, ClO4–, p‐CH3C6H4SO3–, CF3CO2–, 2,4‐(NO2)2C6H3O–] by treating the onium halide with trimethyl phosphate under neat condition in the presence of an equivalent amount of conjugate acid of the desired anion.

Key concepts: Onium, Chemistry, Halide, Ion, Conjugate, Medicinal chemistry, Quaternary, Organic chemistry

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